diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-tz1090.c')
-rw-r--r-- | drivers/pinctrl/pinctrl-tz1090.c | 140 |
1 files changed, 80 insertions, 60 deletions
diff --git a/drivers/pinctrl/pinctrl-tz1090.c b/drivers/pinctrl/pinctrl-tz1090.c index 72d955252e41..bc9cd7a7602e 100644 --- a/drivers/pinctrl/pinctrl-tz1090.c +++ b/drivers/pinctrl/pinctrl-tz1090.c @@ -1762,39 +1762,46 @@ static int tz1090_pinconf_get(struct pinctrl_dev *pctldev, } static int tz1090_pinconf_set(struct pinctrl_dev *pctldev, - unsigned int pin, unsigned long config) + unsigned int pin, unsigned long *configs, + unsigned num_configs) { struct tz1090_pmx *pmx = pinctrl_dev_get_drvdata(pctldev); - enum pin_config_param param = pinconf_to_config_param(config); - unsigned int arg = pinconf_to_config_argument(config); + enum pin_config_param param; + unsigned int arg; int ret; u32 reg, width, mask, shift, val, tmp; unsigned long flags; + int i; - dev_dbg(pctldev->dev, "%s(pin=%s, config=%#lx)\n", - __func__, tz1090_pins[pin].name, config); + for (i = 0; i < num_configs; i++) { + param = pinconf_to_config_param(configs[i]); + arg = pinconf_to_config_argument(configs[i]); - /* Get register information */ - ret = tz1090_pinconf_reg(pctldev, pin, param, true, - ®, &width, &mask, &shift, &val); - if (ret < 0) - return ret; + dev_dbg(pctldev->dev, "%s(pin=%s, config=%#lx)\n", + __func__, tz1090_pins[pin].name, configs[i]); - /* Unpack argument and range check it */ - if (arg > 1) { - dev_dbg(pctldev->dev, "%s: arg %u out of range\n", - __func__, arg); - return -EINVAL; - } + /* Get register information */ + ret = tz1090_pinconf_reg(pctldev, pin, param, true, + ®, &width, &mask, &shift, &val); + if (ret < 0) + return ret; - /* Write register field */ - __global_lock2(flags); - tmp = pmx_read(pmx, reg); - tmp &= ~mask; - if (arg) - tmp |= val << shift; - pmx_write(pmx, tmp, reg); - __global_unlock2(flags); + /* Unpack argument and range check it */ + if (arg > 1) { + dev_dbg(pctldev->dev, "%s: arg %u out of range\n", + __func__, arg); + return -EINVAL; + } + + /* Write register field */ + __global_lock2(flags); + tmp = pmx_read(pmx, reg); + tmp &= ~mask; + if (arg) + tmp |= val << shift; + pmx_write(pmx, tmp, reg); + __global_unlock2(flags); + } /* for each config */ return 0; } @@ -1894,68 +1901,81 @@ static int tz1090_pinconf_group_get(struct pinctrl_dev *pctldev, } static int tz1090_pinconf_group_set(struct pinctrl_dev *pctldev, - unsigned int group, unsigned long config) + unsigned int group, unsigned long *configs, + unsigned num_configs) { struct tz1090_pmx *pmx = pinctrl_dev_get_drvdata(pctldev); const struct tz1090_pingroup *g; - enum pin_config_param param = pinconf_to_config_param(config); + enum pin_config_param param; unsigned int arg, pin, i; const unsigned int *pit; int ret; u32 reg, width, mask, shift, val; unsigned long flags; const int *map; + int j; if (group >= ARRAY_SIZE(tz1090_groups)) { pin = group - ARRAY_SIZE(tz1090_groups); - return tz1090_pinconf_set(pctldev, pin, config); + return tz1090_pinconf_set(pctldev, pin, configs, num_configs); } g = &tz1090_groups[group]; if (g->npins == 1) { pin = g->pins[0]; - ret = tz1090_pinconf_set(pctldev, pin, config); + ret = tz1090_pinconf_set(pctldev, pin, configs, num_configs); if (ret != -ENOTSUPP) return ret; } - dev_dbg(pctldev->dev, "%s(group=%s, config=%#lx)\n", - __func__, g->name, config); + for (j = 0; j < num_configs; j++) { + param = pinconf_to_config_param(configs[j]); - /* Get register information */ - ret = tz1090_pinconf_group_reg(pctldev, g, param, true, - ®, &width, &mask, &shift, &map); - if (ret < 0) { - /* - * Maybe we're trying to set a per-pin configuration of a group, - * so do the pins one by one. This is mainly as a convenience. - */ - for (i = 0, pit = g->pins; i < g->npins; ++i, ++pit) { - ret = tz1090_pinconf_set(pctldev, *pit, config); - if (ret) - return ret; - } - return 0; - } + dev_dbg(pctldev->dev, "%s(group=%s, config=%#lx)\n", + __func__, g->name, configs[j]); - /* Unpack argument and map it to register value */ - arg = pinconf_to_config_argument(config); - for (i = 0; i < BIT(width); ++i) { - if (map[i] == arg || (map[i] == -EINVAL && !arg)) { - /* Write register field */ - __global_lock2(flags); - val = pmx_read(pmx, reg); - val &= ~mask; - val |= i << shift; - pmx_write(pmx, val, reg); - __global_unlock2(flags); + /* Get register information */ + ret = tz1090_pinconf_group_reg(pctldev, g, param, true, ®, + &width, &mask, &shift, &map); + if (ret < 0) { + /* + * Maybe we're trying to set a per-pin configuration + * of a group, so do the pins one by one. This is + * mainly as a convenience. + */ + for (i = 0, pit = g->pins; i < g->npins; ++i, ++pit) { + ret = tz1090_pinconf_set(pctldev, *pit, configs, + num_configs); + if (ret) + return ret; + } return 0; } - } - dev_dbg(pctldev->dev, "%s: arg %u not supported\n", - __func__, arg); - return -EINVAL; + /* Unpack argument and map it to register value */ + arg = pinconf_to_config_argument(configs[j]); + for (i = 0; i < BIT(width); ++i) { + if (map[i] == arg || (map[i] == -EINVAL && !arg)) { + /* Write register field */ + __global_lock2(flags); + val = pmx_read(pmx, reg); + val &= ~mask; + val |= i << shift; + pmx_write(pmx, val, reg); + __global_unlock2(flags); + goto next_config; + } + } + + dev_dbg(pctldev->dev, "%s: arg %u not supported\n", + __func__, arg); + return -EINVAL; + +next_config: + ; + } /* for each config */ + + return 0; } static struct pinconf_ops tz1090_pinconf_ops = { |